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sellWeak cluster of 310b5-1 plan

Alfred Grasso sold $203k of NTCT

director at NETSCOUT SYSTEMS INC. 5,000 shares at an average of $40.67, traded May 12, 2026, filed May 14, 2026.

Warning score
27
Value
$203k
5,000 shares
Holdings after
35,000
-13% from before
From 52-week low
+84%
low $20.77, close $38.22
From 52-week high
-6%
high $40.67, as of May 12, 2026

Score components

  • Role
    Director
    +15
  • Trade size
    $203k at market
    +12
  • Share of holdings sold
    Sold 12% of holdings
    +5
  • Cluster
    3 insiders selling within 14 days
    +15
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m +6.4%, 3m +2.0%, 6m -.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

NTCTOct 12, 2026 · close 40.05
Since filing May 14, 2026: +2.9%SPY +4.5% · excess -1.7%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001078075-26-000048, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
May 12, 2026SOpen-market sale
Common Stock10b5-1
-5,000$40.67$203k35,000May 14, 2026

Related signals

Other insiders at NETSCOUT SYSTEMS INC and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
13Weak
NTCTsell10b5-1
NETSCOUT SYSTEMS INC
Christopher Perretta
director
$266k
7,000 shares
-15%
41Moderate
NTCTsell 3
NETSCOUT SYSTEMS INC
Michael Szabados
Chief Operating Officer
$151k
4,000 shares
-9%
34Weak
NTCTsell 310b5-1
NETSCOUT SYSTEMS INC
Sanjay Munshi
Chief Operating Officer
$89k
2,269 shares
-25%
24Weak
NTCTsell 310b5-1
NETSCOUT SYSTEMS INC
John Downing
EVP, Worldwide Sales Ops
$307k
8,000 shares
-6%
0Weak
NTCTsell10b5-1
NETSCOUT SYSTEMS INC
John Downing
EVP, World-Wide Sales
$322k
8,000 shares
-6%
33Weak
NTCTsell 310b5-1
NETSCOUT SYSTEMS INC
Sanjay Munshi
Chief Operating Officer
$76k
1,985 shares
-28%
26Weak
NTCTsell 310b5-1
NETSCOUT SYSTEMS INC
Michael Szabados
Chief Operating Officer
$154k
4,000 shares
-11%
19Weak
NTCTsell 310b5-1
NETSCOUT SYSTEMS INC
John Downing
EVP, World-Wide Sales
$90k
3,000 shares
-2%
19Weak
NTCTsell 310b5-1
NETSCOUT SYSTEMS INC
John Downing
EVP, World-Wide Sales
$88k
3,000 shares
-2%
32Weak
NTCTsell 310b5-1
NETSCOUT SYSTEMS INC
Sanjay Munshi
Chief Operating Officer
$58k
2,000 shares
-32%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Alfred Grasso sold $203k of NTCT | InsiderTell